Home / 8,252.11-11,391.83-5,228.74

Finding the Fourth Proportional to 8,252.11, 11,391.83 and 5,228.74

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Solution

The fourth proportional to 8,252.11, 11,391.83 and 5,228.74 is: 7,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.11 : 11,391.83 = 5,228.74 : x
  2. Step 2: Convert to fraction form
    8,252.11/11,391.83 = 5,228.74/x
  3. Step 3: Cross multiply
    8,252.11x = 11,391.83 × 5,228.74
  4. Step 4: Simplify right side
    8,252.11x = 59,564,901.79
  5. Step 5: Solve for x
    x = 59,564,901.79/8,252.11
  6. Step 6: Final answer
    x = 7,218.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.